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My sbc 383 stroker aggressive cam want idle

WebApr 5, 2024 · The distributor vacuum advance generally nets a additional 14-16 degrees so if your idle timing was say 8 degrees and vacuum advance would only add another 14-16 … WebFeb 5, 2024 · The 383's troubles revolved around a combination of low idle vacuum and a thoroughly maladjusted 650-cfm mechanical secondary carburetor. It's hard to see from this view but the black residue...

383 SBC won

WebJan 24, 2024 · A quick & simple trick would be to cover the Idle Air Control (IAC) port with strong tape, then start the engine (after it's up to operating temp) and use the throttle … WebAll of our Chevy 383 stroker crate engines include a 5 YEAR WARRANTY under 500 HP! COMPLETE ENGINES FOR EASY INSTALL. ... Slightly more “peppy” with a more aggressive cam. See The "Wise Guy" > 420 HP "Corvette Deluxe" Customization features specific to an early Corvette from 1963 to 1981. A compact design for fitment in a tight bay space ... brush removal sevierville tn https://groupe-visite.com

383 Chevy Engine - The Ultimate

WebJun 16, 2011 · Your idle circuit is definitely not working properly, showing a lean condition even when adjusting the idle mix screws out. Make sure you have the butterflies adjusted … WebSep 27, 2015 · I use brake cleaner or starting fluid. Are you entirely sure that you set idle correctly. Too many times people focus on the idle screw more than the timing. If you're … WebAug 24, 2024 · According to Comp Cams, this cam makes somewhere near 370 ft.lbs. Torque at 2000 rpm, and makes over 400ft.lbs by the time it gets to 2600 rpm, so by assumption it should be about 350 ft;lbs at your 1600 rpm stall speed.....and that torque info was from a test on a 356 SBC, so I'd expect your 383 to be at least 20 ft.lbs higher even a … brush replacement

383 Stroker lacks power at low rpm Hot Rod Forum

Category:383 stroker timing/performance and temperature NastyZ28.com

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My sbc 383 stroker aggressive cam want idle

383 Chevy Engine - The Ultimate

WebApr 13, 2024 · Mild sbc 383 cam recomendation. by rfoll » Fri Apr 13, 2024 1:26 am This is a fresh build, most of the major parts are already on hand. Flattop KB pistons and a pair of old but nice Brodix street heads.The heads are probably on a par with stock Vortec flow cfm . Recent measurement and calculations say static compression will be right on 9.5:1. WebJun 14, 2010 · The specs are: .539/.548-inch lift with 1.6-ratio rocker arms. 234/238-degrees duration at .050-inch lift. 296/300 degrees total duration. 112-degree lobe separation. With the 383, we wanted a solid timing chain that was beefier than the stock setup, and one name immediately came to mind: Cloyes.

My sbc 383 stroker aggressive cam want idle

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WebMar 31, 2016 · So I have a fresh 385ci SBC stroker I built myself. I am finding I only have about 6.5-7 inches of vacuum at idle, at about 800 rpm. The engine is running a Comp Cams 276hr hydraulic roller camshaft with 1.5 roller rockers. The cam specs are at the bottom of this post. Additionally, it is about 10.25:1 compression and running a Performer RMP ... WebFeb 26, 2008 · Swap the hydraulic flat-tappet cam in a 383 stroker for a much more aggressive hydraulic roller cam Bottom Line This newly free-revving small-block makes …

WebAug 31, 2012 · For a 383 this is still a small bore like a 350 and should use a tight chamber. A 400 with its bigger bore can go with small or large chambers with a matching thought to … WebJan 18, 2012 · You're right -- standard (normal) vacuum is not 18. For a small block with stock cam it's typically in the 19"-21" range. My vacuum gauge even has a green range labeled "normal" which is 18"-22", as I recall. As a point of reference, my pickup's 350 with a small 204/214/112 cam makes around 19" at idle. My 55's 327 with 224/230/110 cam …

WebJan 24, 2024 · If that’s the case, you can drill a small hole in each primary throttle plate or tweak the secondaries to open slightly more at idle to allow more air into the engine without cranking the curb idle screw in so far. Carb tuning can be time consuming because you want to sneak up on the proper settings. Make one small change at a time... WebJan 8, 2014 · Your 383 will probably run ok on good pump gas with about 10.5:1 compression...which is what you're going to need in order to make 400hp without forced induction. But I am pretty certain with a 0 deck and all the parts you spec'd that you'd more than likely end up way up in the 11's on your compression ratio. It'd be too high.

WebMar 16, 2015 · They may be used in conjunction with an exhaust system that is much more restrictive than the intake system. These cams should have no adverse effects on any power or vacuum accessories like power brakes or power steering. The idle quality of these cams are mild enough to run with air conditioning.

WebFeb 17, 2024 · These cams have a very aggressive idle and explosive power right off idle. This cam will pull hard to 5000/5500 rpm. Vacuum will be low (9" - 11") Recurved distributor, HP ignition, dual exhaust or headers, 4bbl low rise type manifold. 7-8.5:1 compression with iron heads in small blocks, 7.5 to 8.5:1 in big blocks. examples of deductive argument formWebJul 28, 2011 · SB Chevy 383 stroker budget build using Comp Cams Big Muther Thumper flat tappet camshaft. CNC-Motorsports, Competition Engines, Brookings SD, www.cnc-motors... examples of deductive arguments in mediabrush restorer screwfix